Spikkeland, Ingvar, Jørn Bøhmer Olsen, Ragnar Kasbo, Kjell Magne Olsen, and Jens Petter Nilssen. “The Invasive Amphipod Gammarus Tigrinus Sexton, 1939 Conquering the North of Europe Using a New Pathway: The First Recordings from Norway”. Fauna norvegica 400 (September 9, 2020): 130-136. Accessed May 7, 2024. https://www.ntnu.no/ojs/index.php/fauna_norvegica/article/view/3582.